misc/scripts/ser_to_sr.sh
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 #!/usr/bin/env sh
 #
 # This is a simple script which attempts to convert ser modules so that they
 # can be used with the sip-router core. Most of the changes done by the script
 # deal with the changes in the database abstraction layer in the sip-router
 # source tree.
 #
 # Run this script in module directory to convert it from ser core to
 # sip-router core. The root of the tree should be two levels up, otherwise
 # relative paths to headers (../..) would not work and the module will not
 # compile.
 # 
 # Some of the changes done by the script:
 #
 #  * Extra defines in the Makefile to make the module link with libsrdb2
 #  * Path to database headers updated to point to lib/srdb2
 #  * Database flag names renamed from DB_* to SRDB_* 
 #    (DB_DISABLED -> SRDB_DISABLED)
 #
 # NOTE: There is no guarantee that the update module would compile or even
 #       work. Make a backup before running the script. You have been warned!
 # 
 # Written by Jan Janak <jan@iptel.org>
 #
 
 if [ ! -f Makefile ] ; then
 	echo "ERROR: Could not find module Makefile"
 	echo "       Run this file in the module directory"
 	exit 1
 fi
 
 if ! egrep "Makefile\.modules" Makefile >/dev/null ; then
 	echo "ERROR: Doesn't look like a module..."
 	exit 1
 fi
 
 if ! egrep '^#[ \t]*include[ \t]*".*\/db\/db(_(cmd|con|ctx|drv|fld|gen|pool|rec|res|uri))?\.h[ \t]*"' *.[ch] >/dev/null ; then
 	echo "The module does not seem to include old database headers..."
 	exit 0
 fi
 
 echo -n "Updating Makefile..."
 cp Makefile Makefile.backup
 cat Makefile.backup | gawk '
 BEGIN {
     serlibpath_seen = 0
     libs_seen = 0
     defs_seen = 0
 }
 
 # If the define already exists then skip it, this ensures that
 # we do not add the same line more than once.
 /^[ \t]*DEFS[ \t]*\+?=.*SER_MOD_INTERFACE/ {
     defs_seen = 1
 }
 
 /^[ \t]*SER_LIBS[ \t]*\+?=.*srdb2\/srdb2/ {
     libs_seen = 1
 }
 
 /^[ \t]*SERLIBPATH[ \t]*=/ {
     serlibpath_seen = 1
 }
 
 # Write everything just before the line including Makefile.modules,
 # this is most likely the last line in the Makefile
 /^[ \t]*include[ \t]+.*\/Makefile\.modules[ \t]*$/ {
     if (serlibpath_seen == 0) print "SERLIBPATH=../../lib"
     if (defs_seen == 0) print "DEFS+=-DSER_MOD_INTERFACE"
     if (libs_seen == 0) print "SER_LIBS+=$(SERLIBPATH)/srdb2/srdb2"
 }
 
 { print $0 }
 
 ' > Makefile
 echo "done."
 
 for file in *.[ch] ; do
 	echo -n "Updating file $file..."
 	cp $file $file.backup
 	cat $file.backup | gawk '
 
 /^#[ \t]*include[ \t]*".*\/db\/db(_(cmd|con|ctx|drv|fld|gen|pool|rec|res|uri))?\.h[ \t]*"/ {
     sub("/db/", "/lib/srdb2/", $0);
 }
 
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 /(^|[^a-zA-Z0-9_])DB_(LOAD_SER|DISABLED|CANON|IS_(TO|FROM)|FOR_SERWEB|PENDING|((CALLER|CALLEE)_)?DELETED|MULTIVALUE|FILL_ON_REG|REQUIRED|DIR)([^a-zA-Z0-9_]|$)/ {
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     gsub("DB_LOAD_SER", "SRDB_LOAD_SER", $0);
     gsub("DB_DISABLED", "SRDB_DISABLED", $0);
     gsub("DB_CANON", "SRDB_CANON", $0);
     gsub("DB_IS_TO", "SRDB_IS_TO", $0);
     gsub("DB_IS_FROM", "SRDB_IS_FROM", $0);
     gsub("DB_FOR_SERWEB", "SRDB_FOR_SERWEB", $0);
     gsub("DB_PENDING", "SRDB_PENDING", $0);
     gsub("DB_DELETED", "SRDB_DELETED", $0);
     gsub("DB_CALLER_DELETED", "SRDB_CALLER_DELETED", $0);
     gsub("DB_CALLEE_DELETED", "SRDB_CALLEE_DELETED", $0);
     gsub("DB_MULTIVALUE", "SRDB_MULTIVALUE", $0);
     gsub("DB_FILL_ON_REG", "SRDB_FILL_ON_REG", $0);
     gsub("DB_REQUIRED", "SRDB_REQUIRED", $0);
     gsub("DB_DIR", "SRDB_DIR", $0);
 }
 
 { print $0 }
 ' >$file
 	echo "done."
 done